Description:Deep within this upper course of the Barranco del Infierno, situated in the south of Tenerife, close to the town of Adeje, are the oldest rocks to have been dated from Tenerife. A lava flow dated as 11.86 million years old corresponds to the initial central shield volcano that later together with the Teno and the Anaga shield volcanoes were to form the basis of today’s island of Tenerife. Although today the Teno massif and the Anaga peninsula form some of the most spectacular landscapes of Tenerife, Interestingly all that remains visible today of the early central volcano is the nearby Roque del Conde and the rock formations that are visible in the bottom of the upper course of the Barranco del Infierno. All the rest remains buried by the much later formation of the Cañadas stratovolcano.